Explanation:

Lachit Borphukan (24 November 1622 - 25 April 1672) was a commander and Borphukan (Phu-Kon-Lung) in the Ahom kingdom, located in present-day Assam, India, known for his leadership in the 1671 Battle of Saraighat that thwarted a drawn-out attempt by Mughal forces under the command of Ramsingh I to take over Ahom kingdom. He died about a year later due to illness.